Pictured above is a hair follicle surrounded by colorful nerve fibers, which are responsible for sensation. The nerves detect the minute changes in the position of hairs, such as the sensation of lightly brushing a finger along your arm hair.
According to Live Science:

New research on sensory signals finds that a protein crucial to eye development is also important for the ability of both humans and mice to sense vibrations. The c-Maf protein is known for its importance in proper eye development; when something goes wrong with c-Maf, cataracts result. It turns out that when c-Maf mutates, Pacinian corpuscles, a kind of touch receptor specialized to detect fast vibrations, also atrophy. Humans have Pacinian corpuscles in our fingertips, meaning that one messed-up protein can damage multiple senses.

Pictured above is a hair follicle surrounded by colorful nerve fibers, which are responsible for sensation. The nerves detect the minute changes in the position of hairs, such as the sensation of lightly brushing a finger along your arm hair.

According to Live Science:

New research on sensory signals finds that a protein crucial to eye development is also important for the ability of both humans and mice to sense vibrations. The c-Maf protein is known for its importance in proper eye development; when something goes wrong with c-Maf, cataracts result. It turns out that when c-Maf mutates, Pacinian corpuscles, a kind of touch receptor specialized to detect fast vibrations, also atrophy. Humans have Pacinian corpuscles in our fingertips, meaning that one messed-up protein can damage multiple senses.

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